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. Author manuscript; available in PMC: 2017 Sep 1.
Published in final edited form as: Brain Struct Funct. 2015 Sep 19;221(7):3393–3403. doi: 10.1007/s00429-015-1108-6

Fig. 2.

Fig. 2

Substantia nigra (SN) unstained sections from a 72-year female (a–c) and gallocyanin-stained sections from 71-year-old female (d–f). Arrows: red, parabrachial nucleus; black, rostromedial and caudolateral border of paranigral nucleus. Circles indicate SN pars reticulata and stars indicates SN pars diffusa